Coreal 35L Lightweight Foldable Travel Hiking Backpack Green The backpack is made from durable nylon fabric, provide strengthen and long-lasting performance with minimal weight. It's roomy enough for your hammock, clothes,towel, journal,and a couple beers if need be,etc Unfold size 21.56" x 11" x 7.87",Folds into 9" x 7" Small Slim Pouch with Carrying Handle & Weighs only 0.77lb with 35 Liter of Space - More convenient than a duffel or tote. It fits into an ultra-compact pouch. Easy to folds up into small pocket. So you can easily pack it in your suitcase for use at their destination as an extra bag for the trip. Avoid overweight charges, simply unfold from your luggage and use it as a carry on for your excess baggage. It is very light weight,perfect for hiking,occasional travel,day-to-day use,pack beach accessories, suitcase alternative, storing diapers,college, camera compartment, camping and more,and great choice for packing light.